[INFO] fetching crate music-lounge-daemon 0.7.2...
[INFO] checking music-lounge-daemon-0.7.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate music-lounge-daemon 0.7.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate music-lounge-daemon 0.7.2
[INFO] finished tweaking crates.io crate music-lounge-daemon 0.7.2
[INFO] tweaked toml for crates.io crate music-lounge-daemon 0.7.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate music-lounge-daemon 0.7.2 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate music-lounge-daemon 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `music-lounge-daemon` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56
[INFO] running `Command { std: "docker" "start" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `music-lounge-daemon` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking symphonia-core v0.5.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling cpal v0.15.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.4
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking ogg_pager v0.6.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking color-thief v0.2.2
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking stopwatch2 v2.0.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking symphonia-metadata v0.5.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking dbus v0.9.7
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.2/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.2/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56", kill_on_drop: false }`
[INFO] [stdout] 05fd4b886145e9734e74e8c16c1f5dd4b5f5b65c5a9ac22d7451fa0eacbb3f56
